One year after the October 10, 2025 crypto flash crash liquidated roughly $19 billion, Bitcoin order-book liquidity is deeper than before the crash even as spot trading volume remains far lower.
The five most efficient factory-built immersion-cooled Bitcoin miners in 2026, ranked by watts per terahash: S23 Immersion, S21 XP Immersion, M66S++, Teraflux AI3680 and S21 Immersion.
China’s October 9 policy calls for a national blockchain network to support digital infrastructure and industry. No operator, budget, or launch date has been announced.
TABConf 8 starts October 12 in Atlanta with a builder-heavy agenda covering Bitcoin mining pools, AI agents, Rust, open source and post-quantum cryptography.
Ranked by joules per terahash: the five most efficient full-size air-cooled Bitcoin miners in 2026, from the S21 XP to the sub-11 J/TH SEALMINER A4 Pro Air.